Liftmaster Garage Door Sensor Not Working

The garage door s path may be blocked.

Liftmaster garage door sensor not working.

Here are some troubleshooting tips. The door needs lubrication. The clicking noise you are looking for is the sound that comes from the relay on the circuit board. The light will flash two times.

Press the lock button to turn this feature off. The springs are broken. Loosen one of them and adjust it until the light shines steadily. The track is not aligned properly.

If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply. If the door closes your issue is solved. The circuit board on your garage door opener will have to be replaced if you want your light to function properly. The batteries in the remote control need to be replaced.

If they re turned on in both the sensors then there is no issue with the power supply. Check power supply to garage door opener. If you see a blinking light on one of the sensors it means they aren t aligned. My liftmaster garage door stopped closing the normal way.

This video takes you from my problem description to a successful repair all for under 24 00 u s. If you tried operating your liftmaster garage door opener with the remote control or door control and it didn t work. The garage door sensor yellow light and the green light together create a solid illumination. Align the safety reversing sensors.

Press the remote control. Another reason for the sensors to misalign is that the door track is loose. If you do not hear a click coming from the motor housing then the relay on the circuit board is bad. Remove the wires from the wire nuts or cut the sensor wires 12 from the sensors.

You ll need to first equip yourself with a wrench of some sort and a tape measure. If you do not see a solid illumination or your garage door is not working the problem is most likely due to the sensors being out of line. Strip both ends of wires from each sensor and twist like colored wires together. Look for small led lights on the sensors.

So how do you fix this issue. When your garage door opener is not responding to any command from the remote or the door control you need to check if the opener has electricity. A common cause of a malfunctioning garage door sensor is lack of power supply. The safety sensors are out of alignment.

If this is the case tighten the bolts with a wrench.